The 'oraoledb. Oracle 'provider is not registered on the local computer.

Using system. Data. oledb in Windows2000 is normal.

When Windows is reached, the system prompts: "oraoledb. Oracle" is not registered on the local computer to provideProgram

This problem is generally caused by the following reasons:
1. The corresponding Oracle access component is not installed, go to this link to download the http://www.oracle.com/technology/software/index.html
2. If it is a web program, pay attention to the iuse _ read/write permission for the corresponding folder.
To the ORACLE_HOME directory, such as c: \ oracle \ ora92
Right-click, select Properties-> Security,
For authenticated users, ASP. NET, IWAM _ and IUSR _ accounts,
Grant read and execution permissions, and ensure that sub-directories and files in the directory inherit these attributes in "advanced.